Nsengwa ndi chiyani?

Lero, "latuluka" Liwu n'zosadabwitsa. Atsikana amakono akudziwa mimba ndi yobereka kuposa amayi awo ndi grandmothers. Komabe, ambiri a chidziwitso awa ali weniweni. Natenepa lero tikufuna kulankhula za zomwe zili m'mimba, ndi latuluka. Koyamba, ndi zovuta kuzimvetsa? Baby mpando ali katundu kuteteza mwana wosabadwayo ku mavuto ndi poizoni. Ndipotu, thupi ili ndi chinsinsi weniweni ndi zodabwitsa za chilengedwe.

pansi pa chitetezero cha

Latuluka - ndi mtundu wa chitetezo. Ali ngati malire pakati pa zamoyo ziwiri. Iwo latuluka amapereka yachibadwa kuwawuza kukhalisana ndi kupanda nkhondo immunological. The trimester mimba - ovuta kwambiri. Mwina chifukwa chakuti nsengwa silinaizindikire kupangidwa, momwemonso thupi la mwana wosabadwayo kwathunthu kutetezedwa. About 12 masabata, iye kwathunthu nawo ntchito. Kuyambira tsopano, ndi okonzeka kutsatira ntchito zake zonse.

Kodi latuluka?

Iyi ndi fundo yofunika kwambiri, popanda zomwe ife sadzatha kupitiriza zokambirana zathu. Mawu "latuluka" amabwera kwa ife Latin. Iwo anamasuliridwa kuti "mkate". Mbali yaikulu ya izo ndi villi wapadera, zomwe ayamba kutuluka masiku oyambirira mimba. Tsiku lililonse ali ndi zambiri nthambi. Pankhaniyi, mwa iwo ndi magazi a mwana. Imodzi kunja akulowa magazi akuchikazi apindula ndi zakudya. Ndiko kuti, nsengwa amanyamula woyamba kulekanitsa ntchito. Izi ndi zofunika kwambiri chifukwa thupi ili nthawi kuwombola zinthu pakati pa Chiyuda chatsekedwa. Malinga ndi mawu amenewa, mbali kunja ndi mkati mwa latuluka ali ndi dongosolo losiyana. Mkati, ndi yosalala. Mbali yakunja - zamwano, lobed.

chotchinga ntchito

Kodi mawu akuti "placental chotchinga"? Tiyeni digress pang'ono mu njira ya Maphunziro Akakhalidwe Kazolengedwa wa njira. Monga tanenera kale, ndi villi wapadera kupereka kagayidwe pakati pa mkazi ndi mwana wosabadwayo. magazi akuchikazi akubweretsa mwana mpweya ndi zakudya, ndi amapereka wosabadwa wa pakati mtsikana wa carbon dioxide. Excretory dongosolo mpaka iwo ndi chimodzi awiri. Ndipo ichi ndi chinsinsi chachikulu. Placental chotchinga alekanitsa magazi a mayi ndi mwana wosabadwayo bwinobwino moti sizimayenderana.

Koyamba, zikuoneka zosaneneka, koma awiri anasiyanitsidwa ndi wapadera dongosolo mtima wa pakhoma Kakhungu. Ndi kusankha akudutsa zimene n'kofunika kuti chitukuko cha mwana wosabadwayo. Komano, poizoni, zinthu wonunkha kapena oopsa asungidwa pano. Choncho, madokotala kuti kuyambira masabata 12 a mayi woyembekezera ndi kale zotheka kumasuka pang'ono. The nsengwa ndi wokhoza kuteteza ndi zifukwa zambiri chowawa thupi mwanayo.

Only zofunika kwambiri

Tifotokozereni placental ndi zakudya zofunikira zonse ndi mpweya. Ngati adotolo anati nthenda chitukuko cha mwana wosabadwayo, zikhoza perekani mankhwala enieni amene kuonjezera otaya magazi kwa latuluka lapansi. Choncho, kuwonjezera kuchuluka kwa mpweya wolowera mwanayo. Komabe, si onse mophweka. The kuchedwa zakulera zili mabakiteriya magazi a mayi ndi mavairasi, komanso chitetezo omwe amapangidwa pamene Rhesus nkhondo. Kuti ndi dongosolo lapadera nembanemba izi kukhazikitsidwa kuteteza mwana wosabadwayo mu zosiyanasiyana.

N'kosatheka kuona selectivity mkulu wa kugawa. Anagwira placental chotchinga chinthu chomwecho mosiyana kugonjetsa malire zimenezi kwa mayi ndi mwana wosabadwayo. Mwachitsanzo, fluorine zosavuta ndipo mwamsanga likulowerera mkazi mwanayo, koma wadutsa kumbuyo. N'chimodzimodzinso ndi bromine.

Chifukwa muli lamulo la kagayidwe?

Takambirana kale anauza owerenga kuti nsengwa alekanitsa lymph mayi ndi mwana wosabadwayo. Monga chikhalidwe anali wokhoza kuthamanga limagwirira wangwiro ngati cha lamulo, pamene kufunika chichokera mu chotchinga, ndi zoipa, anachedwa? Ndipotu, tikulankhula pano zimagwirira pafupi awiri. Kenako, pang'ono tione aliyense wa iwo.

Choyamba ndife chidwi ndi Lamulo otaya yofunika, zakudya. Ndi yosavuta zokwanira. Lipids, chakudya, mapuloteni ndi mavitamini zonse zilipo mu magazi a mayi. Choncho, thupi akhoza kupanga dera moyenera. Izo poyamba kuona kuti anthu ambiri zinthu zina mu magazi a mayi ndi mwana ali osiyana.

The permeability wa nsengwa ndi

Ndi kovuta kwambiri pamene tikulankhula za poizoni kuti alowe thupi la pakati. The latuluka alekanitsa lymph ndi magazi. Chotero, awo poizoni kuti apita pa m'magazi a mayi ake, musati kugwera bwino kwa mwana wosabadwayo. Komabe, akudutsa kusintha Zosefera achilengedwe (chiwindi ndi impso) mu mawonekedwe yotsalira, angathe kuwononga mwana. Chakuti mwangozi otsekeredwa mu thupi la mayi zinthu (mankhwala, mankhwala) ndi ovuta kwambiri kuti asiye. Iwo nthaŵi zambiri kudutsa chotchinga placental.

Limited chotchinga ntchito

Nature sanathe kuoneratu chitukuko cha mafakitale masiku ano. Choncho, mankhwala makampani mankhwala ndi mosavuta pochitika chotchinga chachilengedwe. Iwo loopsa kukula ndi chitukuko cha mwana wosabadwayo. Mlingo wa malowedwe a latuluka kumadalira katundu ndi makhalidwe a mankhwala makamaka. Tidzakhala amatchula mphindi yochepa Ndipotu pali zambiri. Choncho, mankhwala ndi kulemera maselo (zosakwana 600 g / mol) ali ngati chotchinga placental mwamsanga. Pa nthawi yomweyo, anthu amene ali pakafukufuku, nkomwe mkatikati. Mwachitsanzo, insulin ndi heparin, zimenezi popanda mantha zotchulidwa pa mimba.

Apo pali chizindikiro china. zinthu mafuta-sungunuka ndi bwino mkatikati mwa latuluka kuposa madzi sungunuka. Choncho, mankhwala hydrophilic zambiri zofunika. Komanso, madokotala kudziwa kuti Mwina malowedwe a zinthu kudzera latuluka chimadalira pa zogona nthawi ya mankhwala mu magazi. mankhwala wonse wotenga ndi oopsa kuposa amene akuthamangira zimapukusidwa.